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US 8,616,752 B2Granted
Backlight unit and display device therewith
AssigneeLG Innotek Co., Ltd.
InventorDong Kug Yu
Life of this patent
Estimating the term…
Abstract
A backlight unit includes a bottom cover, a first heat sink portion disposed on the bottom cover, a second heat sink portion extended upward with respect to the first heat sink portion, and at least a portion of a light emission module placed in at least one recess or at least one hole of the first heat sink portion, and the light emission module disposed on the second heat sink portion.
Claims17
A backlight unit comprising:
- a bottom cover;
- a first heat sink portion disposed on the bottom cover;
- a second heat sink portion extended upward with respect to the first heat sink portion;
- and
- at least a portion of a light emission module placed in at least one hole of the first heat sink portion, and the light emission module disposed on the second heat sink portion,
- wherein the light emission module includes a circuit board and a light source unit disposed on a first surface of the circuit board,
- wherein a second surface of the circuit board contacts the second heat sink portion, and
- wherein a side surface of the circuit board penetrates the first heat sink portion, the side surface exposed out of the first heat sink portion.
5 more elements
A backlight unit comprising:
- a bottom cover;
- a light guide plate disposed on the bottom cover;
- a first heat sink portion on an inside of the bottom cover to be perpendicular to a light incident surface of the light guide plate and having at least one hole formed therein;
- a second heat sink portion perpendicular to and being one body with the first heat sink portion;
- a light emission module including at least a portion of a circuit board placed in the at least one hole in the first heat sink portion, and a light source unit disposed on a first surface of the circuit board;
- and
- an optical sheet disposed on the light guide plate,
- wherein a second surface of the circuit board contacts the second heat sink portion, and
- wherein a side surface of the circuit board penetrates a connection area disposed between the first heat sink portion and second heat sink portion, and the side surface of the circuit board is exposed out of the connection area.
6 more elements
A display device having a backlight unit, the display device comprising:
- a bottom cover;
- a light guide plate disposed on the bottom cover;
- a first heat sink portion on an inside of the bottom cover to be perpendicular to a light incident surface of the light guide plate and having at least one hole formed therein;
- a second heat sink portion perpendicular to and being one body with the first heat sink portion;
- a light emission module including at least a portion of a circuit board placed in the at least one hole in the first heat sink portion, and a light source unit disposed on a first surface of the circuit board;
- an optical sheet disposed on the light guide plate;
- and
- a display panel disposed on the optical sheet,
- wherein a second surface of the circuit board contacts the second heat sink portion, and
- wherein a side surface of the circuit board penetrates the first heat sink portion, the side surface exposed out of the first heat sink portion.
7 more elements
Dependencies are inferred from the claim text.